CN1284028A - Arrangement for inker unit of rotary press - Google Patents

Arrangement for inker unit of rotary press Download PDF

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Publication number
CN1284028A
CN1284028A CN98813379A CN98813379A CN1284028A CN 1284028 A CN1284028 A CN 1284028A CN 98813379 A CN98813379 A CN 98813379A CN 98813379 A CN98813379 A CN 98813379A CN 1284028 A CN1284028 A CN 1284028A
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CN
China
Prior art keywords
setting
groove
ink
roller
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN98813379A
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Chinese (zh)
Other versions
CN1180938C (en
Inventor
卡尔·罗伯特·舍费尔
乔治·施奈德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of CN1284028A publication Critical patent/CN1284028A/en
Application granted granted Critical
Publication of CN1180938C publication Critical patent/CN1180938C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/26—Construction of inking rollers

Abstract

A roller in the inker unit of a rotary press has a structured surface and an adjacent doctor blade.

Description

The setting of the inking device of rotary press
The present invention relates to a kind of setting of the working scraper that on the ink roller of the rotary press inking device, is provided with the negative angle of attack.
DE 37 04 433 A1 disclose a kind of quick inking device that is used for offset ink, and this device has to China ink and the scraper setting that has negative working scraper that is used for ink foundation roller.
DE 42 13 662 C2 have described a kind of cell-type doctor, and wherein working scraper is arranged on the roll body surface of ink foundation roller with about 40 ° negative angle of attack.The roll body of this roller surface is the structure of the miniature hole shape that is processed into.
The objective of the invention is to propose a kind of inking device, this device has at least one negative sense and is arranged on working scraper on the roller that has setting structuring treatment surface, and this set can significantly be avoided unfavorable ink deposition occurring towards the working scraper outer surface of ink roller.
According to the present invention, the implementation of this purpose is as follows, angle of attack α in 10 ° to 35 ° scope, the groove that ink roller has straight line or spiral form at its outer surface, tilt angle gamma that this groove has or angle of climb β are in 0 ° to ± 20 ° scope.
Advantage of the present invention especially is, at scraper, especially the outside of working scraper can not form and not wish the droplets of ink that occurs.Therefore can avoid coming off on the outside of droplets of ink greater than certain specification and arrive the inking roller of back, cause the local ink on the printed sheet excessive at last by working scraper.This point also is applicable to its viscosity greater than 2Pa * s, especially greater than the full-bodied printing ink of 10Pa * s.
To contrast the embodiment shown in several figure below is illustrated the present invention.Shown in the figure:
Fig. 1 is the schematic cross-section of the inking device, and this inking device has one and has the ink foundation roller of setting structuring treatment surface and be arranged on ink fountain on the ink foundation roller, and this ink fountain has negative sense working scraper disposed thereon at least;
Fig. 2 faces for the ink foundation roller among Fig. 1 and dwindles figure;
Fig. 3 is the details sectional drawing in Fig. 2 " Z " district;
Fig. 4 is the schematic isometric of helix for the groove that is provided with on the ink foundation roller surface;
Fig. 5 is and the similar stereogram of Fig. 4, but the groove that is provided with is for going in ring;
Fig. 6 is and the similar stereogram of Fig. 4, but the helix of the groove that is provided with for interrupting;
Fig. 7 is the schematic diagram to the embodiment of Fig. 1;
Fig. 8 is the signal enlarged drawing according to the embodiment of the ink foundation roller of Fig. 2 and 3.
The inking device of rotary press, for example short inking device has ink fountain 2, ink foundation roller 1 and inking roller in its shortest structure.The surface 12 of ink foundation roller 1 is to handle through the setting structuring.Ink fountain 2 is made of a left side and right two side 3,4, and left side and right side are respectively by an end wall 6,7 closures.The below of left side wall 3 is fixed with a working scraper 8, and this working scraper negative sense is arranged on the ink foundation roller 1, and promptly contrary ink foundation roller 1 direction of rotation is arranged on the ink foundation roller 1.The surface 12 or the circumference of the outer work rib 11 contact ink foundation rollers 1 of working scraper 8.
Working scraper 8 can be by metal, for example spring steel, plastics, and for example polyethylene or polymethacrylates or the plastics strengthened by a kind of glass fibre constitute.
With " α " expression acute angle subtended angle, this angle is two angles that intersect between the tangent line 13 and 14 that A orders.
The opposing rib of the following distolateral and ink fountain of working scraper 8 contacts the roll surface of ink foundation roller 1 with the line way of contact when the operating position.Article one, tangent line 14 abuts on the roll surface of ink foundation roller 1 at the contact point A of this line contact wire.
What second tangent line 13 abutted in the working scraper 8 that is positioned at the operating position contacts with the opposing outer surface of ink fountain and with contact point A." angle of attack α " of the operating position of subtended angle " α " expression working scraper 8 on ink foundation roller 1, and preferably in the scope of 10 °≤α≤35 °.
Working scraper 8 have one towards the inner surface 30 of ink fountain and towards ink foundation roller 1, promptly with the second opposing outer surface 31 of ink fountain.
Below right side wall 4, be fixed with a closing scraper 16.Its work rib 17 is pressed on the outer surface 12 of ink foundation roller 1.
The ink fountain 2 that has scraper 8,16 is arranged on the top of ink foundation roller 1, and promptly in the quadrant I or II of a rectangular coordinate system, the zero point of described rectangular coordinate system is on the rotating shaft 18 of ink foundation roller 1 (Fig. 1 and 2).
On the direction of rotation of ink foundation roller 1, one or more working scraper 32 (Fig. 7) that are fixed on the scraper fixture 34 can be set in the back of first working scraper 8.
First working scraper 8 needs not to be a part of ink fountain 2.Can strike off the printing ink on the ink foundation roller with it by disassembling on the inking device, and with ink collection in ink reservoir 33.The ink foundation roller that cooperates with working scraper 8 for example has the roller shell 19 of the steel of a tubulose, for example adopts the method for spraying to adhere to the ceramic layer that a thickness is c (for example, 100 μ m＜c＜400 μ m) on the roller shell.Various grooves (Haschuren), the especially processing of many spirals groove 22 that this ceramic layer 21 passes through thereon have the surface 12 of handling once the setting structuring.It also can be processed into single-screw, double helix or many spirals and be realized, Fig. 4 illustrates a kind of many spirals groove on ink foundation roller 1.Many spirals groove 22 is in distolateral 36,37 stretching, extensions of ink foundation roller 1.For example its depth d is 20 μ m.Every centimetre can have 100 to 400 grooves (Fig. 3) on the axial length of ink foundation roller 1.
As mentioned above, this many spirals groove 22 is to rotate to process on the surface 12 of ink foundation roller 1.Many spirals groove 22 has an angle of climb β.
Angle of climb β is (Fig. 2,4 to 6 and 8) in 0 to 20 ° of scope.(Fig. 2) or the lifting (Fig. 4) that is tilted to the left to the right.
In another embodiment (Fig. 5), ink foundation roller 23 has a plurality of unlimited annular grooves 24 that center on its surperficial circumference continuously.
The inclination angle of groove is " γ ".
Inclination angle " γ " is the face that enclosed by annular groove 24 rings and the angle of vertical plane, and the rotating shaft 18 and the angle between the described vertical plane of annular groove 24 (and ink foundation roller 1) are the right angle.
Tilt angle gamma is preferably in 0 to 20 ° scope.
(Fig. 6) according to another embodiment of the present invention, ink foundation roller 26 have spiral yarn shaped groove 27, and this groove can interrupt with arbitrary interval.Wherein the end 28 of single-screw groove 27 can be shifted to install.Fig. 6 draws in proportion.
The viscosity of printing ink also can be greater than 10Pa * s.
Can not form on the outer surface that is exposed 31 of the working scraper 8 in the scope of contiguous work rib cause the printed matter China ink excessive, do not wish the ink droplet that occurs.
According to another embodiment (Fig. 8), above-mentioned groove 22,24,27 15 of parting beads (below be called groove 22) is disconnected by one or more tabula bars 38 respectively.Thereby form microscler " miniature hole " 39.
Ink foundation roller 1,23,26 has the roll surface of oleophylic.This roll surface can be by ceramic material, for example Cr 2O 3, plastics, for example ethene or polyamide, glass ceramic material constitute, or also can be made of the metal or metal alloy of fully hard oleophylic.
To groove 22,24,27 can with one that put deeply, by the metal of oleophylic, for example copper or plastics, for example the layer complete filling that constitute of nylon 11 polyamide.
In the groove 22,24,27 of above-mentioned filling, can process miniature hole 39.
But above-mentioned miniature hole 39, dextrorotation groove 22 or miniature hole through filling for example shown in Figure 3 for example also can be with a layer filling that is made of copper, and its packed height can reach d/2.
The Reference numeral table of comparisons 1 ink foundation roller 2 ink fountains 3 left side walls (2) 4 right side walls (2) 5-6 end walls (2) 7 end walls (2) 8 working scraper (2) 9-10-11 work ribs (8) 12 surfaces, cylindrical (1; 23,26) 13 tangent lines (8) 14 tangent lines (r) 15 parting beads 16 closing scraper (2) 17 work ribs (16) 18 rotating shafts (1; 23; 26) 19 steel roller shells (1) 20 planes (1) 21 ceramic layers (19) The groove of lira more than 22 (21) 23 ink foundation rollers 24 annular grooves (23) 25-26 ink foundation rollers 27 single lira grooves (26) 28 ends (7) 29-30 medial surfaces (8) 31 lateral surfaces (8) 32 working scraper 33 ink reservoirs 34 scraper fixtures (32) 35-36 distolateral (1; 23; 26) 37 distolateral (1; 23; 26) 38 tabula bars (22) 39 little shape holes (22) 40-41 layers A contact point (13; 14) C thickness (21) D height (22) The r radius The α angle of attack (8; 32) The β angle of climb (1; 23; 26) γ inclination angle (1; 23; 26)

Claims (12)

1. working scraper (8; 32) with the angle of the negative angle of attack (α) inking roller (1 at the rotary press inking device; 23; 26) setting on, its central roll (1; 23; 26) have the roll body surface of handling, it is characterized in that through the setting structuring, the angle of attack (α) in 10 ° to 35 ° scope, roller (1; 23; 26) have its inclination angle (γ) or the angle of climb (β) on the surface and be 0 ° to ± 20 ° groove (22 endless or spiral yarn shaped; 24; 27).
2. according to the setting of claim 1, it is characterized in that working scraper (8; 32) be the member of ink fountain (2).
3. according to the setting of claim 1, it is characterized in that, along roller (1; 23; 26) direction of rotation, first working scraper (32) back are provided with several other working scraper.
4. according to the setting of claim 1, it is characterized in that groove (22) is many liras groove (22).
5. according to the setting of claim 1, it is characterized in that single lira groove (27) that groove (22) disconnects for arbitrary number of times.
6. according to the setting of claim 1 to 3, it is characterized in that the groove (24) of ink foundation roller (23) is annular groove (24).
7. according to claim 1,4,5 and 6 setting, it is characterized in that, at groove (22; 24; 27) be respectively equipped with tabula bar (38) in.
8. according to the setting of claim 1 to 7, it is characterized in that ink foundation roller (1; 23; 26) constitute by glass ceramic material.
9. according to the setting of claim 1 to 8, it is characterized in that ink foundation roller (1; 23; 26) constitute by ceramic material.
10. according to the setting of claim 1 to 7, it is characterized in that ink foundation roller (1; 23; 26) constitute by plastics.
11. the setting according to claim 1 to 7 is characterized in that, to groove (22; 24; 27) use oleophilic layer (41) filling wholly or in part that constitutes by metal or plastics.
12. the setting according to claim 11 is characterized in that, processes little shape hole (39) on layer (41).
CNB988133792A 1997-12-24 1998-12-21 Arrangement for inker unit of rotary press Expired - Fee Related CN1180938C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19757897A DE19757897C1 (en) 1997-12-24 1997-12-24 Arrangement for an inking unit of a rotary printing press
DE19757897.7 1997-12-24

Publications (2)

Publication Number Publication Date
CN1284028A true CN1284028A (en) 2001-02-14
CN1180938C CN1180938C (en) 2004-12-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988133792A Expired - Fee Related CN1180938C (en) 1997-12-24 1998-12-21 Arrangement for inker unit of rotary press

Country Status (6)

Country Link
US (1) US6439116B1 (en)
EP (1) EP1044110B1 (en)
JP (1) JP3318325B2 (en)
CN (1) CN1180938C (en)
DE (2) DE19757897C1 (en)
WO (1) WO1999033666A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN100381283C (en) * 2003-12-19 2008-04-16 柯尼格及包尔公开股份有限公司 Printing machine with at least one printing unit

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JP4096263B2 (en) * 2004-07-06 2008-06-04 ブラザー工業株式会社 Image forming apparatus
DE102005019529A1 (en) * 2005-04-27 2006-11-09 Koenig & Bauer Ag Improved method for applying ink to print cylinder with an active element behind the trailing edge of the ductor to remove excess ink
DE102005029970A1 (en) * 2005-06-28 2007-01-11 Koenig & Bauer Ag Roll inking device for printing press has doctor side facing away from ink chamber angled downward, and has ink collecting or removal devices on doctor
DE102005061916A1 (en) * 2005-12-23 2007-07-12 Koenig & Bauer Aktiengesellschaft Printing machine, has ink collecting container attached to scarper for collecting or discharging printing ink, and limiting wall attached to scraper, such that ink chamber is formed between wall and scraper
US20090035037A1 (en) * 2006-03-09 2009-02-05 Broch Allan R Doctor blade chamber for high viscous ink
DE102006048487A1 (en) * 2006-10-11 2008-04-17 Heidelberger Druckmaschinen Ag Color box of a printing press
JP4995705B2 (en) * 2006-12-05 2012-08-08 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト How to activate an anilox printing unit
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CN100381283C (en) * 2003-12-19 2008-04-16 柯尼格及包尔公开股份有限公司 Printing machine with at least one printing unit

Also Published As

Publication number Publication date
DE59809517D1 (en) 2003-10-09
US6439116B1 (en) 2002-08-27
DE19757897C1 (en) 1999-07-22
WO1999033666A1 (en) 1999-07-08
JP2001526993A (en) 2001-12-25
JP3318325B2 (en) 2002-08-26
EP1044110A1 (en) 2000-10-18
EP1044110B1 (en) 2003-09-03
CN1180938C (en) 2004-12-22

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Granted publication date: 20041222

Termination date: 20100121